MO SEL VITELIC
V53C8125H
AC Characteristics
TA = 0°C to 70°C, VCC = 5 V ±10%, VSS = 0V unless otherwise noted
AC Test conditions, input pulse levels 0 to 3V
30
35
40
45
50
#
1
2
3
4
5
6
7
8
9
Symbol Parameter
tRAS RAS Pulse Width
tRC
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
30
65
25
30
5
75K
35
70
25
35
6
75K
40
75
25
40
7
75K
45
80
25
45
8
75K
50
90
30
50
9
75K
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Read or Write Cycle Time
RAS Precharge Time
tRP
tCSH
tCAS
tRCD
tRCS
tASR
tRAH
CAS Hold Time
CAS Pulse Width
RAS to CAS Delay
15
0
20
16
0
24
17
0
28
18
0
32
19
0
36
Read Command Setup Time
Row Address Setup Time
Row Address Hold Time
Column Address Setup Time
Column Address Hold Time
RAS Hold Time (Read Cycle)
CAS to RAS Precharge Time
4
0
0
0
0
0
5
6
7
8
9
10 tASC
11 tCAH
12 tRSH (R)
13 tCRP
14 tRCH
0
0
0
0
0
5
5
5
6
7
10
5
10
5
10
5
10
5
10
5
Read Command Hold Time
Referenced to CAS
0
0
0
0
0
5
15 tRRH
Read Command Hold Time
Referenced to RAS
0
0
0
0
0
ns
5
16 tROH
RAS Hold Time
6
7
8
9
10
ns
ns
Referenced to OE
17 tOAC
18 tCAC
19 tRAC
20 tCAA
Access Time from OE
Access Time from CAS
Access Time from RAS
10
10
30
16
11
11
35
18
12
12
40
20
13
13
45
22
14
14
50
24
12
ns 6,7,14
ns 6, 8, 9
ns 6,7,10
Access Time from Column
Address
21 tLZ
22 tHZ
23 tAR
OE or CAS to Low-Z Output
OE or CAS to High-Z Output
0
0
0
0
0
0
0
0
0
0
ns
ns
ns
16
16
5
6
6
7
8
Column Address Hold Time from 26
RAS
28
30
35
40
24 tRAD
RAS to Column Address
Delay Time
10
10
10
14
11
10
11
17
12
10
12
20
13
10
13
23
14
10
14
26
ns
ns
ns
11
25 tRSH (W)
RAS or CAS Hold Time in
Write Cycle
26 tCWL
Write Command to CAS
Lead Time
27 tWCS
28 tWCH
Write Command Setup Time
Write Command Hold Time
0
5
0
5
0
5
0
6
0
7
ns 12, 13
ns
V53C8125H Rev. 1.7 August 1998
5
MOSEL [ MOSEL VITELIC, CORP ]
